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https://issues.apache.org/jira/browse/KUDU-1836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830691#comment-15830691
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Todd Lipcon commented on KUDU-1836:
-----------------------------------

BTW should note the above numbers came from running the whole cfile through 
'lzop' and 'gzip', not actually using the cfile compression code. So, we might 
see a bit less good numbers when we're constrained to compressing a block at a 
time, but I'm still hopeful it would be a substantial win.

> Enable compression of delta files
> ---------------------------------
>
>                 Key: KUDU-1836
>                 URL: https://issues.apache.org/jira/browse/KUDU-1836
>             Project: Kudu
>          Issue Type: Improvement
>          Components: perf, tablet
>    Affects Versions: 1.3.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>
> deltafiles are currently not compressed. This can be somewhat problematic for 
> workloads that are heavy on updates -- the deltafiles can be much larger than 
> the underlying data in many cases, especially if the user has a dataset which 
> is highly column-compressible. We should consider enabling LZ compression of 
> deltafiles by default.



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